Search a number
-
+
3122485 = 5624497
BaseRepresentation
bin1011111010010100110101
312212122020121
423322110311
51244404420
6150531541
735353312
oct13722465
95778217
103122485
111842a73
121066bb1
13854332
145b3d09
1541a2aa
hex2fa535

3122485 has 4 divisors (see below), whose sum is σ = 3746988. Its totient is φ = 2497984.

The previous prime is 3122473. The next prime is 3122489. The reversal of 3122485 is 5842213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1100401 + 2022084 = 1049^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122485 - 25 = 3122453 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312244 + ... + 312253.

It is an arithmetic number, because the mean of its divisors is an integer number (936747).

Almost surely, 23122485 is an apocalyptic number.

It is an amenable number.

3122485 is a deficient number, since it is larger than the sum of its proper divisors (624503).

3122485 is an equidigital number, since it uses as much as digits as its factorization.

3122485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624502.

The product of its digits is 1920, while the sum is 25.

The square root of 3122485 is about 1767.0554603634. The cubic root of 3122485 is about 146.1616555597.

Adding to 3122485 its reverse (5842213), we get a palindrome (8964698).

The spelling of 3122485 in words is "three million, one hundred twenty-two thousand, four hundred eighty-five".

Divisors: 1 5 624497 3122485